Help solar cell question?

Posted on 2017-02-14 06:10:00 in Engineering by SHENGYI

Q3. (a) Calculate the solar radiation power (𝑆𝑚𝑜𝑑𝑢𝑙𝑒) over solar modules mounted due north-south with a slope of 35° in Binghamton NY location of 42.1° N and 75.9° W on Feb. 18th at 13 hours solar time. The pyranometer reading of the solar radiation power measured at horizontal surface at the solar modules site was 480W/m². (b) What will be the solar radiation power if this solar module was mounted at an azimuth angle (Ψ𝑝) of 215° measured from due north direction. (c) Calculate the factor decrease in the beam radiation power available for electricity generation on these modules as compared to the case when these solar modules had tracked the sun and radiation was falling normal to the module surface.

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